Sea Lion Aquatic Park Party

Aquatic Parties for All Ages

Plan Your Party at Sea Lion Aquatic Park!


We no longer have party availability - we are booked for 2023 season and are no longer taking party requests. We will begin booking parties for the 2024 season in April 2024. See you next summer!

Party Rates

Base Fees
2023 Season Passholder
10 guests (including children & adults) $180 $195 $210
Per additional person (child or adult) $9 $12 $15

What's included with each party:

All day admission for guest of honor and guests
Guest of honor & 1 guest/supervising adult (age 16+) receives free admission
2-hour reserved outdoor party area with tablecloths provided
2 large pizzas and soda for up to 10 guests
Ability to bring cake or cupcakes into the facility free of charge

Available Party Add-ons

Add-on Item
Additional Cheese Pizza $15.50 / pizza
Additional Sausage or Pepperoni Pizza $18 / pizza
20-minute mascot visit from Sammy the Sea Lion $20


Booking & Payment Information:
  • All party requests must be submitted at least 2 weeks prior to the requested date.
  • Dates and times are available on a first-come, first-served basis and will not be reserved until a $50 non-refundable deposit is received. The deposit is due at time of booking to reserve your party slot.
  • Rental agreement and final head count are due 7 days prior to event. If there are less than 10 guests, customer will pay the base fee ($180 SLAP Member, $195 Resident, $210 Nonresident).
  • Final balance is due 7 days prior to your party. Failure to pay full balance will result in cancellation of party.
  • Any changes must occur 7 days or more prior to party.
  • To book a party you will need to have an online park district account or create a new account. If you don't currently have an account, you must verify your residency by providing a valid state ID AND tax, lease, or utility bill at the time of sale to receive the resident rate. No exceptions.
Cancellation & Refund Policy:

If cancelled 14 days or more prior to your party, you will receive a refund of monies paid less the $50 deposit. No refunds will be honored less than 14 days prior to party.

Chaperone Policy:

Children must be supervised at all times with a specified adult/child ratio based on the age of the children (see below). The supervising adults (age 16+) must be in swimwear and must pay admission or be included as a paid guest in the party package (excludes 1 free chaperone).

Pool Supervision Ratios:
  • Age 1 & Under: 1 Adult to 1 Child
  • Age 1-2: 1 Adult to 3 Children
  • Age 3-9: 1 Adult to 5 Children
  • Age 10-14: 1 Adult to 10 Children